Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,205
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     192,899
Calibration 2     189,258
Calibration 3     191,980
ssj_ops@calibrated=190,619
100% 100.3% 190,619 191,205
90% 90.4% 171,557 172,278
80% 80.3% 152,495 152,995
70% 69.8% 133,433 133,075
60% 59.9% 114,371 114,237
50% 49.9% 95,309 95,040
40% 40.0% 76,248 76,207
30% 29.7% 57,186 56,694
20% 20.2% 38,124 38,466
10% 9.9% 19,062 18,949
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,032,365 1,494
Payment 14,032,367
Order Status 1,403,236
Delivery 1,403,236
Stock Level 1,403,237
Customer Report 14,032,363
Calibration 2 New Order 13,767,094 1,494
Payment 13,767,091
Order Status 1,376,709
Delivery 1,376,710
Stock Level 1,376,709
Customer Report 13,767,090
Calibration 3 New Order 13,962,306 1,494
Payment 13,962,308
Order Status 1,396,231
Delivery 1,396,231
Stock Level 1,396,230
Customer Report 13,962,309
100% 100.3% New Order 13,907,284 1,494
Payment 13,907,285
Order Status 1,390,728
Delivery 1,390,730
Stock Level 1,390,728
Customer Report 13,907,285
90% 90.4% New Order 12,530,409 1,494
Payment 12,530,407
Order Status 1,253,040
Delivery 1,253,041
Stock Level 1,253,041
Customer Report 12,530,406
80% 80.3% New Order 11,127,659 1,494
Payment 11,127,658
Order Status 1,112,766
Delivery 1,112,766
Stock Level 1,112,765
Customer Report 11,127,659
70% 69.8% New Order 9,678,202 1,494
Payment 9,678,202
Order Status 967,822
Delivery 967,820
Stock Level 967,820
Customer Report 9,678,202
60% 59.9% New Order 8,308,715 1,494
Payment 8,308,710
Order Status 830,873
Delivery 830,872
Stock Level 830,871
Customer Report 8,308,714
50% 49.9% New Order 6,912,987 1,494
Payment 6,912,983
Order Status 691,299
Delivery 691,297
Stock Level 691,299
Customer Report 6,912,986
40% 40.0% New Order 5,542,551 1,494
Payment 5,542,555
Order Status 554,255
Delivery 554,256
Stock Level 554,254
Customer Report 5,542,556
30% 29.7% New Order 4,123,238 1,494
Payment 4,123,238
Order Status 412,324
Delivery 412,324
Stock Level 412,323
Customer Report 4,123,235
20% 20.2% New Order 2,797,659 1,494
Payment 2,797,649
Order Status 279,766
Delivery 279,764
Stock Level 279,766
Customer Report 2,797,646
10% 9.9% New Order 1,378,183 1,494
Payment 1,378,183
Order Status 137,819
Delivery 137,818
Stock Level 137,818
Customer Report 1,378,179
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0